impassive

/ɪmˈpæsɪv/
adjective
  1. Not showing emotion; calm and expressionless.
    • Her face was impassive, revealing nothing of what she was thinking.
    • The detective remained impassive as the suspect told his story.
    • Even during the crisis, the leader stayed impassive and gave clear orders.
What does "impassive" mean? | whatsthatwordmean | whatsthatwordmean